18089617

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1451}}^1$

素因数の和:1608

約数の個数: 16

約数和(自身を含む): 22442112

約数和(自身を除く): 4352495

約数列:

[1, 7, 13, 91, 137, 959, 1451, 1781, 10157, 12467, 18863, 132041, 198787, 1391509, 2584231, 18089617]

約数ペア:

[(1, 18089617), (7, 2584231), (13, 1391509), (91, 198787), (137, 132041), (959, 18863), (1451, 12467), (1781, 10157)]